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last two chem problem promise!!!! help!!!!!?

A 0.200 M solution of a weak acid, HA, is 9.4% ionized. Using this information, calculate Ka for HA.

1.8 x 10–3

3.8 x 10–3

9.4 x 10–3

1.9 x 10–2

In a reaction, the equilibrium constant for the forward reaction is Kf and the equilibrium constant of the backward reaction is Kb. What is the relationship between Kf and Kb?

Kf = Kb

Kb = 1 + Kf

Kf = 1/Kb

1 Answer

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  • 1 decade ago
    Favorite Answer

    1.9 x 10^-2

    aha i got 2. correct as kf=1/kb

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